CVE-2021-26252: Buffer Overflow
First published: Wed Jun 02 2021(Updated: )
A flaw was found in htmldoc in v1.9.12. Heap buffer overflow in pspdf_prepare_page(),in ps-pdf.cxx may lead to execute arbitrary code and denial of service.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Htmldoc Project Htmldoc | =1.9.12 | |
| Redhat Enterprise Linux | =7.0 | |
| Fedoraproject Fedora | =34 | |
| redhat/htmldoc | <1.9.15 | 1.9.15 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1967009
- https://github.com/michaelrsweet/htmldoc/issues/412
- https://github.com/michaelrsweet/htmldoc/commit/369b2ea1fd0d0537ba707f20a2f047b6afd2fbdc
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1967012
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1967011
Frequently Asked Questions
What is CVE-2021-26252?
CVE-2021-26252 is a vulnerability in htmldoc v1.9.12 that allows a heap buffer overflow in pspdf_prepare_page(), potentially leading to arbitrary code execution and denial of service.
How severe is the vulnerability CVE-2021-26252?
The severity of vulnerability CVE-2021-26252 is high with a CVSS score of 7.8.
What software versions are affected by CVE-2021-26252?
The affected software versions include htmldoc v1.9.12, Redhat Enterprise Linux 7.0, and Fedora 34.
How can I fix the vulnerability CVE-2021-26252?
To fix the vulnerability CVE-2021-26252, update htmldoc to version 1.9.15.
What are the references for CVE-2021-26252?
The references for CVE-2021-26252 include Bugzilla Red Hat advisory, GitHub issue, and GitHub commit.
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